Speaker



FIG. 1 is a perspective view of a speaker, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is another perspective view thereof, in which a display device in broken line is provided to illustrate an example environment;

FIG. 9 is an enlarged view of the encircled portion A in FIG. 1;

FIG. 10 is an enlarged view of the encircled portion B in FIG. 2;

FIG. 11 is an enlarged view of the encircled portion C in FIG. 3; and,

FIG. 12 is an enlarged view of the encircled portion D in FIG. 5.

The broken lines are for environmental purpose only and form no part of the claimed design. The shade lines in the figures show contour and not surface ornamentation. 

CLAIM The ornamental design for a speaker, as shown and described. 